England · Local authority

Welwyn Hatfield planning applications

PlanningTrack collects planning applications and decisions from the public planning register of Welwyn Hatfield Borough Council. Search an address, application reference or proposal. Official Welwyn Hatfield website

Collected application statistics

Collected records · All available dates

40,267Searchable applications

321Recorded as pending

86%Approval rate · 33,761 approved or refused records

4,813Refused applications

28,948 approved · 4,813 refused · 2,215 withdrawn. Received dates in our records: 29 Apr 1948 to 29 Oct 2026. Most recent record check: 6 Nov 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026

Planning information Planning and building Local plan Our Local Plan Pre-application advice Pre-application advice (planning applications)Conservation areas Schedule of properties removed from the Welwyn Conservation Area Article 4 directions Article 4 Directions

Conservation areas and Article 4 directions

Explore published planning boundaries and follow their source records for designation details. Coverage varies: an empty map does not mean there are no restrictions. Check the council’s current maps and documents before relying on a boundary.

Conservation areas9 mapped area records

Article 4 direction areasNo boundary records available in this collection

Interactive planning map loads with JavaScript. Dataset sources are linked below.

Download Article 4 coverage for all authorities (CSV)

Data downloaded 14 Sept 2026. Display boundaries are simplified and indicative. Map record counts are not a complete count of designations or directions.

Sources: Planning Data conservation areas and Article 4 direction areas. Contains public sector information licensed under the Open Government Licence v3.0.

More application records

Decided - GrantedN6/2015/0897/DS
Approval of details reserved by condition 3 (windows) on planning permission N6/2014/1765/FP
9 Wilshere Road Welwyn AL6 9PU
Received 29 Apr 2015
Decided - GrantedW6/2009/1592/EM
TWO STOREY REAR EXTENSION
7 FARM CLOSE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 6RP
Received 23 Jul 2009
Decided - Granted6/2019/0955/HOUSE
Erection of a single storey side/rear infill extension
17 Selwyn Crescent, Hatfield, AL10 9NL
Received 18 Apr 2019
Decided - Granted6/2018/2355/ADV
Installation of 3 x externally illuminated built up letters signs
The Parkway Bar Parkway Welwyn Garden City AL8 6JQ
Received 14 Sept 2018
Decided - Granted6/2025/1348/EMT
1x Apple to reduce by approximately 1-1.5m, thin crown volume by approx 15%
23 Rooks Hill Welwyn Garden City AL8 6EU
Received 27 Jun 2025
Decided - GrantedW6/2014/0647/EM
Replacement of front door
12 Fordwich Road, Welwyn Garden City, AL8 6EY
Received 31 Mar 2014
Decided - GrantedN6/2008/0923/FP
WIDEN EXISTING DOORWAY TO ENABLE WHEELCHAIR ACCESS AND ENCLOSE PORCH
93 LINCOLN CLOSE, WELWYN GARDEN CITY, HERTFORDSHIRE, AL7 2NP
Received 14 Jun 2008
Decided - Granted6/2023/0119/HOUSE
Erection of a single storey rear extension, part two storey side extension and garage conversion
13 Langstone Ley Welwyn Garden City AL7 1FF
Received 17 Jan 2023
Decided - WithdrawnN6/2007/0802/FP
ERECTION OF SINGLE STOREY REAR EXTENSION
15 Stapleford Welwyn Garden City AL7 2PD
Received 25 May 2007
Decided - GrantedN6/2013/0664/TP
Fell Copper Beech T3 covered by TPO 208
7 Holwell Hyde, WELWYN GARDEN CITY, AL7 3DJ
Received 13 Mar 2013
Decided - Granted6/2017/2472/EM
Removal of Holly tree located in rear garden
21 Great Ganett Welwyn Garden City AL7 3DA
Received 25 Oct 2017
Decided - WithdrawnS6/2015/0025/FP
Erection of two storey front and single and two storey rear extensions and alterations to the roof including formation of rear dormer
33 Bluebridge Road, Brookmans Park, Hatfield, AL9 7UW
Received 9 Jan 2015
Decided - RefusedS6/2013/2435/TP
Remove deadwood from Walnut T1 and reduce crown height and spread of Copper Beech T2 by 15% covered by TPO362
Hertfordshire Constabulary Central Area Headquarters and Hatfield Police Station, Comet Way, Hatfield, AL10 9SJ
Received 14 Nov 2013
Decided6/2017/1975/TPO
Removal of Beech tree - Conservation Area
16 Russellcroft Road Welwyn Garden City AL8 6QT
Received 4 Sept 2017
Decided6/2018/2652/TPO
Fell 1 x Cherry tree - covered by conservation area
4A Honeycroft Welwyn Garden City AL8 6HR
Received 16 Oct 2018
Decided - Granted6/2017/0380/EM
Replacement of windows and door
44 Blakemere Road Welwyn Garden City AL8 7PJ
Received 27 Feb 2017
Decided - RefusedN6/2015/1167/FP
Erection of a two storey rear extension
32 London Road Woolmer Green Knebworth SG3 6JD
Received 2 Jun 2015
Decided - Refused6/2024/0190/FULL
Retrospective change of use to sui generis use (to facilitate the store of materials and temporary events) and retention of the existing gates, temporary structures and gravel-laid pathway
Pear Tree Farm Hawkshead Road North Mymms Hatfield AL9 7TF
Received 30 Jan 2024
Decided - GrantedW6/2004/0838/EM
TWO STOREY AND SINGLE STOREY REAR EXTENSION
72 Upperfield Road, Welwyn Garden City, AL7 3LW
Received 3 Jun 2004
Decided - GrantedN6/2009/0026/FP
ERECTION OF DOUBLE GARAGE AND CARERS ACCOMMODATION FOLLOWING DEMOLITION OF EXISTING GARAGE AND FIRST FLOOR STORAGE
OLD HALL FARM COTTAGE, HILL FARM LANE, AYOT ST LAWRENCE, WELWYN, HERTFORDSHIRE, AL6 9BW
Received 7 Jan 2009
DecidedN6/2008/2210/TC
25% CROWN REDUCTION TO OAK TREES (T1 & T2), 15% CROWN REDUCTION TO OAK TREES (T3 & T4)
15 SHERRARDSPARK ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7JW
Received 19 Nov 2008
Decided6/2017/2779/TPO
Fell 2 x Apple trees
7 Valley Road Welwyn Garden City AL8 7DG
Received 28 Nov 2017
Decided - Granted6/2026/1471/FULL
Garage conversion and extension to garage for use as annex
5 Branch Close Hatfield AL10 0TW
Received 20 Aug 2026
Decided - Granted6/2020/1961/EM
Replace old front door with new composite door and replace surrounding windows.
17 Woodland Rise Welwyn Garden City AL8 7LJ
Received 6 Aug 2020

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

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Researching a proposal in Welwyn Hatfield Borough Council

Start with the address or application reference. Open a record to read the proposal, dates and available documents, then check the official register for the latest plans and consultation details. If nothing appears, check coverage before treating the result as a complete planning history.

How to search planning applications

Guides to planning records

All planning guides

Understanding planning · 13 min read
Planning application documents: what to read first
Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.
UK research
Published 16 Jul 2026Updated 13 Sept 2026
Understanding planning · 13 min read
Planning permission drawings: how to read plans
Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.
UK research
Published 6 Aug 2026Updated 13 Sept 2026
Property research · 13 min read
Planning approval rates: how to read council statistics
Understand planning approval rates with an interactive calculator, worked examples and comparison table. Check sample sizes, outcomes and coverage before comparing.
UK research
Published 13 Aug 2026Updated 13 Sept 2026

What these statistics cover

These figures describe applications collected by PlanningTrack for Welwyn Hatfield Borough Council, across all dates currently available. They are a partial dataset, rather than an authority-wide performance measure. The date range does not establish continuous historical coverage.

The approval percentage is approved records divided by approved plus refused records. Pending, withdrawn and unknown outcomes are excluded. No percentage is shown until there is an approved or refused record.

Check collection coverage